Evidence map›Paper›PMID 17111110›Full record

Trial reportIntensive care medicine2007

Positive end-expiratory pressure and pressure support in peripheral airways obstruction : work of breathing in intubated children.

Alan S Graham, Girish Chandrashekharaiah, Agop Citak, Randall C Wetzel, Christopher J L Newth

Open access · bronzeAbstract readClinical Trial
PubMed Publisher
In one paragraph

Trial report in Intensive care medicine, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed, 2 pooled it
0.6field-weighted citation impact, top 30% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

8 citing papers in PubMed, 2 syntheses or guidelines pooled it, 31 citations in OpenAlex.

  1. Non-invasive positive pressure ventilation for acute asthma in children.The Cochrane database of systematic reviews · 2024
    Pooled it
  2. Guideline
  3. Trial
  4. Article
  5. Article
  6. A pilot study to assess short-term physiologic outcomes of transitioning infants with severe bronchopulmonary dysplasia from ICU to two subacute ventilators.Canadian journal of respiratory therapy : CJRT = Revue canadienne de la therapie respiratoire : RCTR · 2018
    Article
  7. Non-invasive positive pressure ventilation for acute asthma in children.The Cochrane database of systematic reviews · 2016
    Review
  8. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 4 institutions in 2 countries.

Alan S GrahamDepartment of Pediatrics, Division of Pediatric Critical Care, Oregon Health and Science University, 707 S.W. Gaines Street, Portland, OR 97239-2901, USA. grahamal@ohsu.edu
Girish Chandrashekharaiah
Agop Citak
Randall C Wetzel
Christopher J L Newth
University of Southern California · USChildren's Hospital of Los Angeles · USIstanbul University · TROregon Health & Science University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesChildren with peripheral airways obstruction suffer the negative effects of intrinsic positive end-expiratory pressure: increased work of breathing and difficulty triggering assisted ventilatory support. We examined whether external positive end-expiratory pressure to offset intrinsic positive end-expiratory pressure decreases work of breathing in children with peripheral airways obstruction. The change in work of breathing with incremental pressure support was also tested. DESIGN AND

settingProspective clinical trial in a pediatric intensive care unit. PATIENTS: Eleven mechanically ventilated, spontaneously breathing children with peripheral airways obstruction.

interventionsWork of breathing (using pressure-rate product as a surrogate) was measured in three tiers: (a) Increasing pressure support over zero end-expiratory pressure. (b) Increasing applied positive end-expiratory pressure and fixed pressure support. The level of applied positive end-expiratory pressure at which pressure-rate product was least determined the compensatory positive end-expiratory pressure. (c) Increasing pressure support over compensatory (fixed) positive end-expiratory pressure. MEASUREMENTS AND

resultsIncreases in pressure support alone decreased pressure-rate product from mean 724+/-311 to 403+/-192 cmH2O/min. Applied positive end-expiratory pressure alone decreased pressure-rate product from mean 608+/-301 to 250+/-169 cmH2O/min. The lowest pressure-rate product (136+/-128 cmH2O/min) was achieved using compensatory positive end-expiratory pressure (12+/-4 cmH2O) with pressure support 16 cmH2O.

conclusionsFor children with peripheral airways obstruction who require assisted ventilation, work of breathing during spontaneous breaths is decreased by the application of either compensatory positive end-expiratory pressure or pressure support.

Indexed as

Intubation, IntratrachealPositive-Pressure RespirationWork of BreathingAirway ObstructionChildChild, PreschoolHumansInfantProspective Studies

Identifiers

PMID17111110
OpenAlexW1595345708

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.